. >>> we are learning more about the actions taken by a member of the u.s. coast guard, moments before his death, near the u.s.-mexico border. the coast guard says chief petty officer, terrell horn, fired several gunshots from an inflate believe boat to avoid getting shot. sadly, he died from head trauma after being struck by a propeller. officials say horn was trying to stop suspected drug smugglers. >>> it has been nearly one year since the death of maddox turk osh, the boy who fell into the painted dog exhibit at the pittsburgh zoo. we sat down to talk with the father about the accident and how they are coping with the accident. >> maddox a tendency to run sideways and look sideways, always checking himself outside, you know? and mady was always laughing. and his laugh always came from his stomach. >> reporter: most of us never met 2-year-old maddox duringosh. but ever since november 4th, we have known his face, his smile, those little glasses and the story of his fateful trip to the pittsburgh zoo, when he fell into the exhibit of painted african dogs an